Senior Mechanical Engineer

Mott MacDonald is a global engineering, management, and development consultancy committed to delivering impactful work that shapes the future. We are a team of over 20,000 experts working across more than 50 countries, delivering transformative projects that improve the way people live, work and connect. As an employee-owned business, our people are at the heart of our success. We create an inclusive environment where everyone feels valued, supported, and empowered to thrive. Whether you want to deepen your technical expertise or broaden your experience across a range of sectors and projects, you'll be connected to a global network of experts who will help you reach your potential.

About the role

We are seeking a talented and motivated Senior Mechanical Engineer to join our growing Buildings team in Riyadh. This role offers the opportunity to work on a diverse range of projects across the public and private sectors, including commercial, hospitality, education, healthcare, residential, sports, and infrastructure developments. As part of a multidisciplinary team, you will contribute to the design and delivery of high-quality mechanical building services solutions from concept through to detailed design and construction support. You will work closely with project managers, clients, and technical specialists while helping to develop early-career engineers. This role is ideal for an experienced engineer looking to further develop their technical expertise and project delivery skills within a leading global consultancy.

Key Responsibilities

As a Senior Mechanical Engineer, you will:

• Prepare mechanical building services designs, calculations, specifications, reports, and technical documentation.
• Assist in the delivery of projects from concept design through to construction stages.
• Undertake mechanical services surveys and assessments of existing buildings and infrastructure.
• Produce and review mechanical design drawings and engineering calculations.
• Contribute to the development of sustainable and energy-efficient design solutions.
• Coordinate with architects, structural engineers, and other building services disciplines.
• Support project planning and delivery within agreed programmes and budgets.
• Attend client, design team, and stakeholder meetings as required.
• Ensure designs comply with relevant standards, regulations, and project requirements.
• Provide technical guidance and mentoring to graduate and junior engineers.
• Assist senior engineers and project managers in delivering successful project outcomes.

Candidate Specification

We are looking for candidates who can demonstrate strong technical capability within mechanical building services engineering together with a collaborative and proactive approach to project delivery.

Essential

• Member of the Saudi Council of Engineers.
• Degree qualified in Mechanical Engineering, Building Services Engineering, or equivalent.
• Proven experience in mechanical building services design within the built environment sector.
• Experience working on building and infrastructure projects within a consultancy or design environment.
• Knowledge of current building regulations, standards, and industry best practice.
• Proficiency in industry-recognised mechanical engineering software and design tools.
• BIM knowledge and experience.
• Strong written and verbal communication skills.
• Ability to work effectively both independently and within multidisciplinary teams.
• Strong organisational skills with the ability to manage multiple priorities.

Desirable

• Chartered Engineer status or working towards professional registration through CIBSE or IMechE.
• Experience across commercial, hospitality, healthcare, education, residential, sports, or mixed-use developments.
• Knowledge of LEED, WELL, or sustainable building design principles.
• Experience supporting junior engineers and graduates.
• Experience working on major building projects and multidisciplinary design teams.
• Familiarity with local Saudi Arabian regulations and design standards.

Your benefits and rewards

Our benefits vary by country and are subject to eligibility and local policy:

• Rewards and bonuses: we are owned by our people (no external investors) and through our employee ownership model success is shared through annual bonus opportunities and longer-term participation as your career grows (subject to local plan, eligibility and business performance)
• Medical insurance and life insurance as per local plan (standard and enhanced coverage may vary by country and policy).
• Annual leave in line with local policy (competitive within the market).
• Maternity leave above and beyond local provisions and paternity leave provisions where applicable
• Professional membership/ institution subscription support
• Learning and career development through project variety, technical networks and structured development opportunities.
• An inclusive culture: we’re committed to equality, diversity and inclusion, and creating a workplace where everyone feels valued and supported.